This should work in most modern browsers:
var matches = document.querySelectorAll(".art[title=jamjam]");
Pregunta
var buttons = document.getElementsByClassName("art");
for(a=0;a<buttons.lenght;a++){
if(buttons[a].getAttribute('title') == 'jamjam'){
buttons.splice.call(a,1);
}
}
Solución
This should work in most modern browsers:
var matches = document.querySelectorAll(".art[title=jamjam]");